corrections dockerfile 3

mattermost-cleaner/psqlcmd.sh

@@ -13,5 +13,5 @@ export PGDATABASE=$POSTGRES_DB
 export PGUSER=$POSTGRES_USER
 export PGPASSWORD=$POSTGRES_PASS
 
-SQL_CMD="DELETE FROM posts WHERE id IN (SELECT p.id FROM posts p LEFT JOIN channels c ON p.channelid=c.id LEFT JOIN teams t ON c.teamid=t.id WHERE p.type='system_join_channel' AND t.name = '${MATTERMOST_TEAM}';)"
-psql -c \""${SQL_CMD}"\"
+SQL_CMD="DELETE FROM posts WHERE id IN (SELECT p.id FROM posts p LEFT JOIN channels c ON p.channelid=c.id LEFT JOIN teams t ON c.teamid=t.id WHERE p.type='system_join_channel' AND t.name = '${MATTERMOST_TEAM}')"
+psql -c "${SQL_CMD}"